a closeup picture of ascidiacea, commonly known as the ascidians or sea squirts and a spider crab. picture from the

animal aquatic ascidiacea ascidians background big blue brown closeup crab dive diving european feeder filter food fresh full fulllength ingredients inside islands kattegatt length life maja marin marine nature ocean orange red scandinavia scuba sea seafood shell skagerrak spider spinous spiny squinado squirt squirts still sweden underwater wall water weather wet wild